Katana
Tadahiro (NBTHK Tokubetsu-Hozon)

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Hizen Tadahiro (2nd generation Tadayoshi) in shira-saya with saya-gaki by Tanobe sensei and koshirae.

Signature: Hizen Kuni Jyu Omi Daijo Fujiwara Tadahiro

Period:             Shinto
                        Edo period, Kanei ca. 1624
Classification:  Jyo Jyo saku

Blade length:   76.0 cm
Sori:                  1,1 cm
Mekugi:                1
Motohaba:        3.1 cm or 1.22 inch
Sakihaba:         1.99 cm or 0.78 inch
Kasane:            0.7 cm
weight:              approx. 755 grams
nagasa:             long and balanced blade
jigane:               ko-itame with mokume, sumigane with ji-nie, chikei
it can also be interpreted as a typical konuka-hada.
hamon: suguha based in nie-deki with strong nioiguchi

saya-gaki by Tanobe sensei:
Hizen Koku Omi Daijo Fujiwara Tadahiro.
12 kanji long signature. The blade was forged approx. in the 20th year of Kenei. A long blade with weak sori. Ko-itame hada with much jinie. Chikei can be found. Suguha-hamon in ko-nie-deki. the nioiguchi is wide. A serious and good work. The blade length is 2 shaku and 5sun.
Tanobe

General statement:
Omi Daijo Fujiwara Tadahiro is a son of the first generation Tadayoshi. He learns and works in his father's style. Tadahiro has forged many blades due to his long creative period. Similar to Tadayoshi, he has also made utzushi, imitating blades from earlier times, in addition to his own creations. One focus is on Yamashiro, such as the Rai school with famous names like Rai Kunitoshi, Rai Kunimitsu, smiths of the Enju school but also other styles are mastered and made by him.
Because of the steel and the incorporation of sumigane (dark spots in the ji) he shows us here an utzushi of the early Aoe school.
The blade has a matching koshirae and can probably be dated there as well.

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